Welcome to T. Simons Co., Inc.

Tammy Simons founded this woman-owned small business in 1999, and remains its sole share holder. The company is licensed in the state of California as a General Engineering Contractor and General Building Contractor performing on public works, commercial and Federal Construction projects. From its first year revenue of $150,000, our company has grown to average nearly $18 million. This growth has been supported by its ongoing relationships with nationally recognized banking institutions and sureties. The company's corporate office, equipment yard and maintenance shop are located in Nipomo, CA.

In August 2008, T. Simons Co. Inc. received certification to participate in the U.S. Small Business Administration's (SBA) 8(a) Business Development Program.


  • Woman-Owned Small Business (WOSB)
  • Economically Disadvantaged Woman-Owned Small Business (EDWOSB)
  • SBA Certified 8(a) Program Participant (Expires Aug. 12, 2017)

DUNS Number: 16-715-9198

Cage Code: 31PE9

NAICS Codes:

  • 236—Construction of Buildings
  • 236220* - Commercial and Institutional Building Construction (*primary)
  • 236210—Industrial Building Construction
  • 237—Heavy & Civil Engineering
  • 237110—Water and sewer line and related structures construction
  • 237120—Oil and gas pipeline and related structures construction
  • 237130—Power and communication line and related structures construction
  • 237310—Highway, street and bridge construction
  • 237990—Other heavy and civil engineering construction
  • 562910—Environmental Remediation Services

Featured Projects

Hangar Renovation NAS Lemoore Naval Air Station Lemoore, CA