Company

On-Site Technical Services prides itself on building relationships with its customers earning repeat business. At On-Site we earn our clients trust and respect by providing honest and consistent Q A services. Below is a representative sample of the clients we have built relationships with:

Construction Companies

• Kiewit Pacific Company
• Tutor-Saliba Corporation
• Kiewit Northwest Company
• S. J. Amoroso Construction
• Kiewit Industrial
• Griffith Company
• Colich & Sons
• Sinanian Development, Inc.
• Murray Corporation
• Swinerton Builders
• Steve P. Rados, Inc.
• Royal Construction
• Morrow Meadows Corporation
• Bernards Builders and Management Services
• BreitBurn Energy Partners L.P.
• Clark/McCarthy Joint Venture
• Pinner Construction Company Inc.
• Barnett Electric, Inc.
• Helix Electric, Inc.
• R.J. Daum Construction Company
• FTR International, Inc.
• ARB Incorporated
• Fielding Electric, Inc.
• C.W. Roen Construction Company
• Stronghold Engineering
• BP West Coast Products LLC
• Kiewit Power Constructors
• V.K. Mason Construction Ltd.
• Comet Electric
• Diablo Contractors, Inc.
• PPC Construction, Inc.
• R.L. Brosamer, Inc.
• W.A. Rasic Construction
• Adams/Mallory Construction Co. Inc.
• Mitsubishi Power Systems

Public Agencies

• San Diego County Water Authority
• Metropolitan Water District of Southern California
• Alameda Corridor Engineering Team
• Eastern Municipal Water District
• City of Tacoma- Power
• City of Los Angeles Department of Public Works
• West Basin Municipal Water District
• Hawaiian Electric Company
• Calleguas Municipal Water District
• Los Angeles World Airports
• Municipal Water District of Orange County

Engineering Firms

• Richard Brady & Associates
• Butier Engineering, Inc.
• Brookman Edmonston Engineering
• EPC Consultants
• Richard Brady and Associates
• Parsons
• Kumar & Associates, Inc.
• R.W. Beck
• CTL/Thompson, Inc.
• Parsons Brinckerhoff
• CH2M Hill
• Power-Tech Engineers Inc.
• Berg & Associates, Inc.
• BENPRO, Inc.
• Moffit-Nichol
• Jacobs Engineering Group Inc.

Fabricators

• Flowserve
• Sulzer Pumps
• Poly Tech Corporation
• Warminster Fiberglass
• Northwest Pipe Company
• U.S. Filters
• Peterson Hydraulics, Inc.
• Tank Specialists of California
• Pacific Coast Flange Inc.
• Circulating Air Inc.
• Siemens
• Valmont Industries, Inc.
• Mid America Pipe Fabricating & Supply Llc
• Neenah Foundry
• Tower Structures, Inc
• USS Cal Builders
• Palmcast Steel Fabrication, Inc.
• Rinker Materials

QA Firms

• Bureau Veritas- Japan
• Marrs Services, Inc.
• Oversea Merchandise Inspection Co., Ltd. -Japan
• Twinning Laboratories
• IHI / Highbridge Ltd. Japan
• FW Kohl Industrial Group
• Inteco Inspection and Testing Korea
• Iteng Engineering India