About Us

Tri-Square Construction is a general and electrical construction company specializing in the construction and maintenance of wireless communication sites in Northern, Central, and Bay Area, California and more recently Las Vegas, Nevada markets. The company was founded in March, 2003 by industry specialists Jeff and Shannon Baggaley and has an additional 40 employees. Since its inception, Tri-Square has provided exceptional local expertise in the field, along with unequaled customer service to back it.

Jeff & Shannon Baggaley

Jeff Baggaley’s background is in wireless communication. Since 1989 Jeff has built and serviced over 3,000 wireless communication sites within Northern California. In addition, he has designed, built, and remodeled several tenant improvement projects to existing structures.

Jeff is a licensed journeyman electrician, a certified tower climber, is certified with Andrews Institute, RF Safety Awareness, HAZMA/HAZCON Training, OSHA Safety Manager and holds a class B and C10 Contractors License, as well as a design build estimator. He has superb trouble-shooting abilities, takes customer relationships seriously, and has never missed an on-air date. His work ethic, expertise, and customer care has earned him a reputation of the best in the industry.

Shannon Baggaley brings over 25 years of construction accounting and finance experience. She holds a degree in Accounting and Business Management. Shannon has an excellent understanding of financial analysis, project management and job costing procedures, along with extensive knowledge in handling all accounting needs for the contracting business.