License/Corporate Information:

NAICS Codes:

• California Corporation:  C2287240
• DVBE & Small Business (Micro) Certified:  31248
• License #:  814348;  C-20 & C-4
• TIN:  47-0863092
• DUNS #:  12-942-3294
• CAGE/Sam #:  3CRQ4
• SIC Code:  1711, 3580, 3585

238220:   HVAC/Mechanical Contractor

221330:   Steam and HVAC Supply

541330:   HVAC Engineering Services

561210:   Facility support services for Mechanical & HVAC

561790:   Other services to buildings & dwellings

811310:   Commercial, industrial machinery & equipment repair and maintenance

Who we are and what we do:

Engineered Mechanical Services, Inc. (EMSI) was formed in 2002 to integrate solutions for mechanical and HVAC systems.  We are a Service Disabled Veteran owned company and certified Small Business. 

• Services we provide:
  • Mechanical contracting (piping:  copper, stainless, steel & other), ducting, controls
  • 24/7 HVAC service and maintenance
  • Engineering design for mechanical and HVAC systems
  • Commissioning for mechanical systems (certified ACG agent)
  • Energy auditing
  • Mechanical system analysis for energy upgrades

• Markets we serve:
  • Industrial
  • Large commercial
  • Federal (military and GSA), State
  • Hospitals
  • Other end users with mechanical systems needs

• We have extensive experience servicing these systems:
  • 4-pipe chilled and hot water, VRF (variable refrigerant flow), geothermal, DX (direct expansion)
  • VAV (variable air volume)
  • Ice & Thermal Storage (load shift), Natural gas cooling and heating

Service Area:

Counties of:  San Diego, Riverside, Orange, Imperial

Our Clients include:

“Leading with Knowledge, following with Pride”