Member Directory FiltersClear () Member Type contractor (1) Contractor Specialties gas lines supplies (1) grading paving (1) (-) hydrovac excavation potholing (1) pipe bursting pipe welding sanitary sewer systems (1) (-) pipelines (1) water sewer drain products (1) Territory Los Angeles County (1) Location Primary Location (1) Interested in becoming a member of United Contractors? Join us here. All A D H J M O P S T V W Showing Results (1 - 1) of 1 Doty Bros. Equipment Co. dba Doty Bros. Construction Co. Member since December 2020 (562) 864-6566 Platinum Annual Sponsors All 2025 Annual Sponsors