NH3 Jobs

Refrigeration & Maintenance Jobs near Danvers, MA77 jobs, 113 plants within 50 miles

77 open jobs and 113 plants within 50 miles of Danvers, MA. 24 run ammonia refrigeration. 5 are hiring now.

Jobs within 50 miles

Sr. Electronics Manufacturing Engineer

Johnson & Johnson

social_distance1.6 mi

HVAC Controls System Designer

Johnson Controls

location_onLynnfield, MAsocial_distance4.8 mipayments$32-$48/hr

HVAC Building Controls Systems Engineer

Johnson Controls

location_onLynnfield, MAsocial_distance4.8 mipayments$34-$52/hr

Senior Associate Scientist, Upstream Process Development — Bioprocess Automation & Digitization

Pfizer

location_onAndover, MAsocial_distance10.7 mipaymentsEst. $28–$40/hr

Senior Electrical Engineer

Pfizer

location_onAndover, MAsocial_distance10.7 mi

Facilities Engineer

Johnson Controls

location_onBurlington, MAsocial_distance12.6 mipaymentsEst. $21–$31/hr

Senior Controls Engineer, Machines

Johnson Controls

location_onBurlington, MAsocial_distance12.6 mipaymentsEst. $28–$40/hr

Manufacturing Engineer, NPI

Johnson Controls

location_onBurlington, MAsocial_distance12.6 mi

Sr. Process Engineer, NPI

Johnson Controls

location_onBurlington, MAsocial_distance12.6 mi

Quality Technician

Johnson Controls

location_onBurlington, MAsocial_distance12.6 mi

Quality Engineer

Johnson Controls

location_onBurlington, MAsocial_distance12.6 mi

Senior Counsel, Global Compliance, Competition & Trade

Keurig Dr Pepper

location_onBurlington, MAsocial_distance12.6 mipayments$183,500-$250,000/yr

Senior Product Manager, Data

Keurig Dr Pepper

location_onBurlington, MAsocial_distance12.6 mipayments$155,000-$180,000/yr

Senior Principal Toxicologist

Keurig Dr Pepper

location_onBurlington, MAsocial_distance12.6 mipayments$130,700-$190,000/yr

Winter 2027 Co-op - Affiliate & Creator Marketplace

Keurig Dr Pepper

location_onBurlington, MAsocial_distance12.6 mipayments$28/hr

Fall 2027 Co-op - Appliance Engineering (Burlington, MA)

Keurig Dr Pepper

location_onBurlington, MAsocial_distance12.6 mipayments$31/hr

Summer 2027 Intern - Appliance Engineering (Burlington, MA)

Keurig Dr Pepper

location_onBurlington, MAsocial_distance12.6 mipayments$31/hr

Winter 2027 Co-op - Creative Operations

Keurig Dr Pepper

location_onBurlington, MAsocial_distance12.6 mipayments$28/hr

Fall 2027 Co-op - Creative Operations

Keurig Dr Pepper

location_onBurlington, MAsocial_distance12.6 mipayments$28/hr

Winter 2027 Co-op - Cost Engineering

Keurig Dr Pepper

location_onBurlington, MAsocial_distance12.6 mipayments$31/hr

Fall 2027 Co-op - Cost Engineering

Keurig Dr Pepper

location_onBurlington, MAsocial_distance12.6 mipayments$31/hr

Winter 2027 Co-op - Packaging Engineering

Keurig Dr Pepper

location_onBurlington, MAsocial_distance12.6 mipayments$31/hr

Winter 2027 Co-op – Maintenance & Reliability

Keurig Dr Pepper

location_onBurlington, MAsocial_distance12.6 mipayments$31/hr

Fall 2027 Co-op - Mechanical Test and Reliability

Keurig Dr Pepper

location_onBurlington, MAsocial_distance12.6 mipayments$31/hr

Winter 2027 Co-op - Supply Planning & Analytics

Keurig Dr Pepper

location_onBurlington, MAsocial_distance12.6 mipayments$31/hr

Fall 2027 Co-op - Affiliate & Creator Marketplace

Keurig Dr Pepper

location_onBurlington, MAsocial_distance12.6 mipayments$28/hr

Winter 2027 Co-op - Mechanical Test and Reliability

Keurig Dr Pepper

location_onBurlington, MAsocial_distance12.6 mipayments$31/hr

Corporate Paralegal

Keurig Dr Pepper

location_onBurlington, MAsocial_distance12.6 mipayments$70,500-$105,000/yr

Business Analyst - SAP & Supply Chain

Keurig Dr Pepper

location_onBurlington, MAsocial_distance12.6 mipayments$76,000-$95,000/yr

Corporate Counsel

Keurig Dr Pepper

location_onBurlington, MAsocial_distance12.6 mipayments$155,000-$221,500/yr

Winter 2027 Co-op - Appliance Engineering (Burlington, MA)

Keurig Dr Pepper

location_onBurlington, MAsocial_distance12.6 mipayments$31/hr

Senior Analyst, Performance Measurement & Visualization

Keurig Dr Pepper

location_onBurlington, MAsocial_distance12.6 mipayments$76,400-$130,000/yr

Supply Chain Planner

Keurig Dr Pepper

location_onBurlington, MAsocial_distance12.6 mipayments$62,500-$88,000/yr

Sr Supply Chain Planner

Keurig Dr Pepper

location_onBurlington, MAsocial_distance12.6 mipayments$76,400-$100,000/yr

Pilot Plant & Laboratory Manager

Keurig Dr Pepper

location_onBurlington, MAsocial_distance12.6 mipayments$76,400-$133,000/yr

Coffee Processing Engineer

Keurig Dr Pepper

location_onBurlington, MAsocial_distance12.6 mipayments$70,500-$100,000/yr

Senior Embedded Controls Systems Engineer

Keurig Dr Pepper

location_onBurlington, MAsocial_distance12.6 mipayments$76,400-$150,000/yr

Production Technician, 3rd Shift

Johnson Controls

location_onBurlington, MAsocial_distance12.6 mi

Production Technician, 1st Shift

Johnson Controls

location_onBurlington, MAsocial_distance12.6 mi

Electrical Engineer

Thermo Fisher Scientific

location_onTewksbury, MAsocial_distance13.9 mipayments$46-$61/hr

Facilities Operations Specialist

Boston Beer

location_onBoston, MAsocial_distance15.4 mipayments$20/hr

Customer Site Manager

Thermo Fisher Scientific

location_onBoston, MAsocial_distance15.4 mi

Diesel Fleet Mechanic Technician II

Sysco

social_distance15.5 mipayments$27-$40/hr

Diesel Fleet Mechanic Technician I - SIGN ON BONUS: UPTO $7,000

Sysco

social_distance15.5 mipayments$30-$40/hr

Customer Site Manager

Thermo Fisher Scientific

location_onCambridge, MAsocial_distance15.6 mipayments$45-$53/hr

Field Service Engineer III (Chromatography) Onsite

Thermo Fisher Scientific

location_onCambridge, MAsocial_distance15.6 mi

Technical Sales Specialist - Flow Cytometry Instruments - Boston

Thermo Fisher Scientific

location_onCambridge, MAsocial_distance15.6 mipayments$40-$60/hr

Sr Bioreactor Support Specialist - 1st Shift

Thermo Fisher Scientific

location_onCambridge, MAsocial_distance15.6 mipayments$21-$27/hr

Field Service Engineer III (IOMS) - East Coast Region, US

Thermo Fisher Scientific

location_onCambridge, MAsocial_distance15.6 mipayments$40-$52/hr

Manager II, Engineering & Maintenance

Americold

location_onGloucester, MAsocial_distance15.7 mi

Associate Director, Engineering Projects

Novo Nordisk

location_onLexington, MAsocial_distance15.8 mi

Automation Engineer II

Thermo Fisher Scientific

location_onBedford, MAsocial_distance17 mipayments$35-$52/hr

Manufacturing Engineering II, POROS

Thermo Fisher Scientific

location_onChelmsford, MAsocial_distance19.7 mipayments$35-$52/hr

Sr. QC Technician - 1st Shift

Thermo Fisher Scientific

location_onChelmsford, MAsocial_distance19.7 mipayments$28/hr

Process Engineer

Nestle

location_onSudbury, MAsocial_distance26.4 mi

Production Supervisor - Second Shift

Nestle

location_onSudbury, MAsocial_distance26.4 mipayments$43-$48/hr

Maintenance Mechanic (Experienced)

PepsiCo

location_onRandolph, MAsocial_distance28.6 mipayments$43/hr

Part-Time General Utility Technician

PepsiCo

location_onRandolph, MAsocial_distance28.6 mipayments$25/hr

Security Installation Technician

Johnson Controls

location_onNashua, NHsocial_distance28.7 mi

Field Service Technician II

Baxter International

location_onNorwood, MAsocial_distance28.7 mi

Fire Sprinkler Service Technician

Johnson Controls

location_onNashua, NHsocial_distance28.7 mi

Security Alarm Service Technician (Mass D Electrical License)

Johnson Controls

location_onNashua, NHsocial_distance28.7 mi

Maintenance Assistant

Costco

location_onNASHUA, NHsocial_distance28.8 mi

HVAC and Utilities Engineer

Sanofi

location_onFramingham, MAsocial_distance30.7 mipaymentsEst. $29–$41/hr

Sprinkler Service Technician

Johnson Controls

location_onDevens, MAsocial_distance32.8 mi

Food Plant Sanitary Plumber and Pipefitter

Ken's Foods - US Facilities

location_onMarlborough, MAsocial_distance33.7 mipayments$38-$48/hr

HVAC Technician

Trane Technologies

location_onBedford, NHsocial_distance38 mipayments$40-$54/hr

Controls Engineer

Trane Technologies

location_onBedford, NHsocial_distance38 mipayments$31-$57/hr

HVAC Controls Systems Technician

Johnson Controls

location_onManchester, NHsocial_distance38.3 mipayments$24-$31/hr

Fleet Maintenance Technician (NO CDL)

PepsiCo

location_onManchester, NHsocial_distance38.3 mipayments$32/hr

HVAC Systems Operations Manager

Johnson Controls

location_onManchester, NHsocial_distance38.3 mipayments$54-$72/hr

Local Delivery Driver - CDL A (Relief Route)

PepsiCo

location_onManchester, NHsocial_distance38.3 mipayments$31-$33/hr

Automation Engineer III

Thermo Fisher Scientific

location_onPlainville, MAsocial_distance43.6 mipayments$77/hr

Lead Manufacturing Maintenance Technician - 2nd Shift

Thermo Fisher Scientific

location_onPlainville, MAsocial_distance43.6 mipayments$28-$42/hr

Sr. Manufacturing Maintenance Technician - 2nd Shift

Thermo Fisher Scientific

location_onPlainville, MAsocial_distance43.6 mipayments$24-$36/hr

Controls Systems Tech

Johnson Controls

location_onLincoln, RIsocial_distance49.9 mi

Controls Service Technician

Johnson Controls

location_onLincoln, RIsocial_distance49.9 mipayments$25-$35/hr

Plants within 50 miles

Old Neighborhood Foods

Drake Enterprises

Danvers, MA0.6 miAmmonia

Fresh Advantage / Demakes Enterprises, LLC (Danvers)

Fresh Advantage / Demakes Enterprises, LLC

Danvers, MA0.6 mi

DiLuigi Foods, Inc (Danvers)

DiLuigi Foods, Inc

Danvers, MA0.7 mi

Brazilian Cheese Bread-Chef Barbosa, Inc (Danvers)

Brazilian Cheese Bread-Chef Barbosa, Inc

Danvers, MA0.9 mi

R. Walters, LLC, DBA Elevation Foods (Danvers)

R. Walters, LLC, DBA Elevation Foods

Danvers, MA1.3 mi

The Butchery Inc. (Danvers)

The Butchery Inc.

Danvers, MA1.7 mi

Bertolino Foods Inc (Peabody)

Bertolino Foods Inc

Peabody, MA3.7 mi

Demakes Enterprises, LLC (Lynn)

Demakes Enterprises, LLC

Lynn, MA7.4 mi

Del Sur Reading (Reading)

Del Sur Reading

Reading, MA7.8 mi

Kettle Cuisine Midco, LLC (Lynn)

Kettle Cuisine Midco, LLC

Lynn, MA8 mi

Kettle Cuisine

Lynn, MA8.1 miAmmonia

Bake'n Joy Foods

North Andover, MA9.5 miAmmonia

Gourmet Specialty Foods, LLC (North Andover)

Gourmet Specialty Foods, LLC

North Andover, MA9.5 mi

Anna's Kitchen, Inc. (Woburn)

Anna's Kitchen, Inc.

Woburn, MA10 mi

Monogram Foods (Wilmington)

Monogram Foods

Wilmington, MA10.1 mi

Kayem Foods Inc. (Woburn)

Kayem Foods Inc.

Woburn, MA10.1 mi

The Dough Connection (Wilmington)

The Dough Connection

Wilmington, MA10.2 mi

Stuffed Foods LLC (Wilmington)

Stuffed Foods LLC

Wilmington, MA10.2 mi

Giovanni Veal Inc (Woburn)

Giovanni Veal Inc

Woburn, MA10.2 mi

Monogram Gourmet Foods (Willmington)

Monogram Gourmet Foods

Willmington, MA10.3 mi

Dole & Bailey, Inc. (Woburn)

Dole & Bailey, Inc.

Woburn, MA11.6 mi

Dom's Sausage Co., Inc. (Malden)

Dom's Sausage Co., Inc.

Malden, MA11.9 mi

Lilly's Gastronomia Italiana, Inc., DBA Lilly's Fresh Pasta (Everett)

Lilly's Gastronomia Italiana, Inc., DBA Lilly's Fresh Pasta

Everett, MA12.4 mi

Monogram Gourmet (Medford)

Monogram Gourmet Foods

Medford, MA12.4 mi

Samuel Holmes, Inc. (Everett)

Samuel Holmes, Inc.

Everett, MA12.5 mi

Bianco Inc. (Medford)

Bianco Inc.

Medford, MA12.8 mi

Kayem Foods Inc.

Chelsea, MA13 miAmmonia

L&D Market Inc. (East Boston)

L&D Market Inc.

East Boston, MA13.2 mi

Molinas Provision (Everett)

Molinas Provision

Everett, MA13.2 mi

Lineage Logistics PFS, LLC (Everett)

Lineage Logistics

Everett, MA13.3 mi

Artisan Chef Manufacturing Co

Franco Manufacturing Co. Inc.

Lawrence, MA13.7 miAmmonia

Art Gourmet Catering Corp (Tewksbury)

Art Gourmet Catering Corp

Tewksbury, MA13.7 mi

Artisan Chef Manufacturing Company DBA: Tuscan Market (Lawrence)

Artisan Chef Manufacturing Company DBA: Tuscan Market

Lawrence, MA13.7 mi

Deano's Pastacia, Inc. (Somerville)

Deano's Pastacia, Inc.

Somerville, MA14 mi

American Food Systems, Inc. (Burlington)

American Food Systems, Inc.

Burlington, MA14 mi

Fresh Ideas Co., Inc. (Charlestown)

Fresh Ideas Co., Inc.

Charlestown, MA14.5 mi

Savenor's Supply Co., Inc. (Cambridge)

Savenor's Supply Co., Inc.

Cambridge, MA15.3 mi

Joseph's Gourmet Pasta

Haverhill, MA15.8 miAmmonia

Sodexo Operations, LLC (Billerica)

Sodexo Operations, LLC

Billerica, MA15.8 mi

ONN Specialties, Inc. (Billerica)

ONN Specialties, Inc.

Billerica, MA15.8 mi

Boston Sword and Tuna (Boston)

Boston Sword and Tuna

Boston, MA15.8 mi

Americold - Gloucester Rogers Street

AmeriCold Logistics LLC

Gloucester, MA15.9 miAmmoniaHiring now

Americold - Gloucester, Rowe Square

Americold Logistics- Gateway

Gloucester, MA16 miAmmoniaHiring now

Shaws Distribution Center #32711

ALBERTSONS

Methuen, MA16.1 miAmmoniaHiring now

Plenus Group, Inc. (Lowell)

Plenus Group, Inc.

Lowell, MA16.4 mi

Monogram Gourmet Foods (Haverhill)

Monogram Gourmet Foods

Haverhill, MA16.9 mi

Mei Mei (Boston)

Mei Mei

Boston, MA16.9 mi

Hans Kissle Co., LLC

Haverhill, MA17.1 miAmmonia

Boston Lamb and Veal (Boston)

Boston Lamb and Veal

Boston, MA17.5 mi

Arctic Glacier - Boston Facility

ARCTIC GLACIER

Boston, MA17.5 miAmmonia

J. Rago Veal Co. (Boston)

J. Rago Veal Co.

Boston, MA17.5 mi

William & Co., Inc. (Boston)

William & Co., Inc.

Boston, MA17.5 mi

Chinamerica Food Manufacture Inc. (Boston)

Chinamerica Food Manufacture Inc.

Boston, MA17.5 mi

Mutual Beef Co., Inc. (Boston)

Mutual Beef Co., Inc.

Boston, MA17.5 mi

Pig Rock Sausages, LLC (Boston)

Pig Rock Sausages, LLC

Boston, MA17.6 mi

New Boston Meats Co., Inc. (Boston)

New Boston Meats Co., Inc.

Boston, MA17.6 mi

Vina Foods (Boston)

Vina Foods

Boston, MA17.6 mi

D & N Provisions (Boston)

D & N Provisions

Boston, MA17.6 mi

Grab & Go, LLC (Boston)

Grab & Go, LLC

Boston, MA17.6 mi

Daman Distributing Company Inc. (Boston)

Daman Distributing Company Inc.

Boston, MA17.6 mi

Chinese Spaghetti Factory (Boston)

Chinese Spaghetti Factory

Boston, MA17.6 mi

Boston Salads and Provisions Company Inc. (Boston)

Boston Salads and Provisions Company Inc.

Boston, MA17.6 mi

New England Charcuterie, LLC (Waltham)

New England Charcuterie, LLC

Waltham, MA17.6 mi

DePasquales Sausage (Newton)

DePasquales Sausage

Newton, MA18.9 mi

Italian Ready Meals LLC (Waltham)

Italian Ready Meals LLC

Waltham, MA19.5 mi

AleCon Enterprises Inc. (Pelham)

AleCon Enterprises Inc.

Pelham, NH20.1 mi

Beach Brand Foods, LLC (Salem)

Beach Brand Foods, LLC

Salem, NH20.5 mi

Hannah International Foods, Inc. (Seabrook)

Hannah International Foods, Inc.

Seabrook, NH22.7 mi

ALFREDO AIELLO ITALIAN FOODS, INC. (QUINCY)

ALFREDO AIELLO ITALIAN FOODS, INC.

QUINCY, MA22.9 mi

PREVITES MEATS AND PROVISIONS (WEYMOUTH)

PREVITES MEATS AND PROVISIONS

WEYMOUTH, MA26.2 mi

Channel Fish Processing Co., Inc. (Braintree)

Channel Fish Processing Co., Inc.

Braintree, MA26.4 mi

OWP Boston, LLC (Randolph)

OWP Boston, LLC

Randolph, MA27.5 mi

Emma-Leigh & Co. (Hingham)

Emma-Leigh & Co.

Hingham, MA28.4 mi

Home Taste Food, Inc. (Norwood)

Home Taste Food, Inc.

Norwood, MA29.5 mi

Home Market Foods, Inc.

Norwood, MA30.1 miAmmonia

Anheuser-Busch, LLC Merrimack Brewery

Anheuser-Busch Inbev

Merrimack, NH31.5 miAmmonia

Londonderry Freezer Warehouse LLC (Londonderry)

Londonderry Freezer Warehouse LLC

Londonderry, NH31.8 mi

Great Kitchens Food Company (Brockton)

Great Kitchens Food Co.

Brockton, MA32.2 mi

Poultry Products of Manchester, LLC (Londonderry)

Poultry Products of Manchester, LLC

Londonderry, NH32.7 mi

Lactalis US Yogurt, Inc.

Lactalis US Holdings

Londonderry, NH32.8 miAmmonia

E.L. Blood & Son, Inc. (West Groton)

E.L. Blood & Son, Inc.

West Groton, MA33.4 mi

Yankee Trader Seafood LTD. (Pembroke)

Yankee Trader Seafood LTD.

Pembroke, MA34 mi

Crocetti's Oakdale Packing (Brockton)

Crocetti's Oakdale Packing Company, Inc.

Brockton, MA34.1 mi

High Liner Foods (USA), Inc.

High Liner Foods USA Inc

Portsmouth, NH34.8 miAmmonia

Cape Code Cafe Foods (Brockton)

Cape Code Cafe Foods

Brockton, MA35.1 mi

T. F. Kinnealey Co., Inc. (Brockton)

T. F. Kinnealey Co., Inc.

Brockton, MA36.4 mi

Crocetti's Oakdale Packing Company, Inc. (East Bridgewater)

Crocetti's Oakdale Packing Company, Inc.

East Bridgewater, MA36.8 mi

F1 Foods Inc. (West Bridgewater)

F1 Foods Inc.

West Bridgewater, MA37 mi

Mrs. Budd's Kitchen, LLC (Manchester)

Mrs. Budd's Kitchen, LLC

Manchester, NH37.2 mi

Modernist Pantry, LLC (Eliot)

Modernist Pantry, LLC

Eliot, ME39.3 mi

Better Business - - - Better Foods (Milford)

Better Business - - - Better Foods

Milford, NH40 mi

The Pot Pie Bar (Goffstown)

The Pot Pie Bar

Goffstown, NH40.2 mi

Good To-Go LLC (Kittery)

Good To-Go LLC

Kittery, ME40.3 mi

Lemay and Sons Beef, LLC (Goffstown)

Lemay and Sons Beef, LLC

Goffstown, NH40.4 mi

Valeria's Kitchen, LLC (Fitchburg)

Valeria's Kitchen, LLC

Fitchburg, MA41.3 mi

DFA Dairy Brands Fluid, LLC dba Garelick Farms FRA

Dairy Brands Fluid, LLC

Franklin, MA41.5 miAmmonia

Mid-Town Favorite Beef, LLC (Fitchburg)

Mid-Town Favorite Beef, LLC

Fitchburg, MA42.2 mi

Taylor Egg Products, Inc. (Madbury)

Taylor Egg Products, Inc.

Madbury, NH42.9 mi

Oxford Trading (Taunton)

Oxford Trading

Taunton, MA43.7 mi

Sysco Boston, LLC

Sysco

Plympton, MA43.9 miAmmonia

Performance Food Group (Taunton)

Performance Food Group

Taunton, MA44.3 mi

Americold - Taunton MA

Americold Logistics- Gateway

Taunton, MA44.6 miAmmoniaHiring now

Bakehouse Enterprises, LLC, DBA Boxford Bakehouse (Plymouth)

Bakehouse Enterprises, LLC, DBA Boxford Bakehouse

Plymouth, MA44.8 mi

Home Market Foods, Inc.

Norton, MA45.1 miAmmonia

Perkins Paper, LLC

PJ Food Service

Taunton, MA45.1 miAmmonia

Lineage Logistics PFS, LLC (Raynham)

Lineage Logistics

Raynham, MA46.4 mi

John & Sons (Worcester)

John & Sons

Worcester, MA47.2 mi

Catelli Brothers (Sutton)

Catelli Brothers

Sutton, MA47.6 mi

CS Storage IV Inc.

CS Storage IV, Inc.

Lakeville, MA47.8 miAmmonia

Americold - Middleboro

Americold Logistics- Gateway

Middleboro, MA48.2 miAmmoniaHiring now

CS Storage IV, Inc.

Middleborough, MA48.5 miAmmonia

Associated Grocers of New England, Inc.

Pembroke, NH49.1 miAmmonia

WILLOW TREE POULTRY FARM, INC. (Attleboro)

WILLOW TREE POULTRY FARM, INC.

Attleboro, MA49.2 mi

PAY PICTURE

Ammonia / Industrial Refrigeration Tech

Government data for Massachusetts
$28.24–$40.96/hr
What techs ask in Massachusetts
$34.76–$44.78/hr

BLS OEWS, May 2025 · 12 techs in our network, Massachusetts

Industrial Maintenance Tech

Government data for Massachusetts
$24.99–$35.61/hr
What techs ask, adjusted for Massachusetts
$30.21–$41.42/hr
Posted pay near this plant
$26.47–$36.31/hr

BLS OEWS, May 2025 · 278 techs in our network nationwide, scaled to Massachusetts pay levels · 5 postings

Area pay for these roles, not this plant’s pay. Rows we cannot back with data are left out.

Worth a move — 50 to 200 miles

Living in Danvers

~$590K
Median home price
~$1,862/mo
Median rent
~28K
Population
16 mi
To Boston
Median household income$116,636/yr

Nearby cities

All of Massachusetts, and next door

Facility data compiled from public government records (OSHA, EPA, USDA); may contain errors. NH3 Jobs is not affiliated with or endorsed by the companies shown. NH3 Jobs connects skilled maintenance technicians with employers in ammonia refrigeration, food processing, cold storage, and industrial manufacturing near Danvers, Massachusetts.