These contractors have SiteVetter Safety Scores of 85+ out of 100, indicating strong compliance with licensing, insurance, bonding, and federal requirements.
A SiteVetter Safety Score is a proprietary 0-100 compliance rating that aggregates contractor data from six sources: California Contractors State License Board (CSLB), SAM.gov federal exclusions, OSHA safety inspections, Department of Labor wage records, EPA environmental compliance, and building permit records from major California cities. In Signal Hill, CA, 50 contractors currently hold Safety Scores of 85 or above, qualifying them as “top-rated” for 2026.
Our Safety Score aggregates data from 6 sources: CSLB license status, workers' compensation coverage, contractor bonding, federal databases including SAM.gov (debarment), OSHA (safety violations), DOL (wage violations), and building permits. Scores of 85+ indicate contractors with active licenses, proper insurance, and clean federal records.
Ranked by SiteVetter Safety Score, highest first
L a King CO
License #701204 · C-7
Grade A · Excellent
Strata - Analysts Group
License #734943 · C10
Grade A · Excellent
Lees Fence CO INC
License #566271 · C13
Grade A · Excellent
Stephenson W W CO INC
License #382758 · A
Grade A · Excellent
Omnicraft Enterprises INC
License #387045 · B
Grade A · Excellent
C & H Custom Security Systems INC
License #629044 · C-7
Grade A · Excellent
Byers & Butler INC
License #283253 · D28
Grade A · Excellent
West Coast Environmental Solutions INC
License #360901 · A
Grade A · Excellent
Signal Mechanical INC
License #571650 · C20
Grade A · Excellent
Proscape Landscape
License #573977 · C27
Grade A · Excellent
Morey Remodeling Group
License #426811 · B
Grade A · Excellent
Cal Coast Plumbing
License #493848 · C36
Grade A · Excellent
Renewable Energy Advantage INC
License #982201 · C10
Grade A · Excellent
Martin Allcoat Painting INC
License #492355 · C33
Grade A · Excellent
California Distribution Center INC
License #993259 · C17
Grade A · Excellent
R P Vititow Construction CORP
License #955760 · A
Grade A · Excellent
Southern Cal Concrete Pumping
License #526906 · B
Grade A · Excellent
Zieba Builders INC
License #558572 · B
Grade A · Excellent
Nuwave International Industries INC
License #1000182 · B
Grade A · Excellent
Maher Stephen F General Contractor
License #508592 · B
Grade A · Excellent
Grush ED General Contractor INC
License #246399 · B
Grade A · Excellent
Ariel's Plumbing INC
License #873001 · C36
Grade A · Excellent
Harmon's Home Improvement & Construction CO
License #277492 · B
Grade A · Excellent
R a M Insulation INC
License #994116 · C-2
Grade A · Excellent
DE Sisto Construction INC
License #803545 · B
Grade A · Excellent
Professional Lock Systems INC
License #402953 · D28
Grade A · Excellent
A1 Best Plumbing & Restoration
License #812317 · B
Grade A · Excellent
Los Altos Construction INC
License #890949 · B
Grade A · Excellent
Los Angeles Glass Company INC
License #999163 · C17
Grade A · Excellent
J D E Construction INC
License #983306 · B
Grade A · Excellent
B E S Painting
License #928010 · C33
Grade A · Excellent
M T R Construction INC
License #929602 · B
Grade A · Excellent
Century Calibrating Company
License #990347 · A
Grade A · Excellent
Ofrs, INC
License #994684 · A
Grade A · Excellent
Griff's Electric INC
License #802767 · C10
Grade A · Excellent
King Charles Company
License #738236 · A
Grade A · Excellent
Progressive Electric Service
License #803687 · C10
Grade A · Excellent
Liftech Elevator Services LLC
License #808879 · C11
Grade A · Excellent
Allenco
License #704111 · A
Grade A · Excellent
A B C Liovin Drilling INC
License #422904 · C57
Grade A · Excellent
Delgadillo Carlos a
License #985662 · C15
Grade A · Excellent
Cox Industrial
License #848003 · D21
Grade A · Excellent
Aames Carpet Care INC
License #797673 · C15
Grade A · Excellent
Jose F Estrada Landscaping
License #786957 · C27
Grade A · Excellent
Pete's Plumbing
License #277178 · C36
Grade A · Excellent
Triumph Landscaping INC
License #879955 · C27
Grade A · Excellent
H I C Electric INC
License #856809 · C10
Grade A · Excellent
J E T Drilling INC
License #750885 · C57
Grade A · Excellent
Ship & Shore Environmental INC
License #792137 · A
Grade A · Excellent
Mesa Environmental Services INC
License #687820 · A
Grade A · Excellent
When hiring a contractor in Signal Hill, California, due diligence matters. The contractors listed above have been verified against multiple government databases and achieved Safety Scores of 85 or higher—placing them among the most compliant contractors in the area.
Our Safety Score considers:
While a high Safety Score is a strong indicator of a reputable contractor, we always recommend getting multiple quotes, checking references, and verifying the contractor is licensed for your specific type of project.
Safety Scores are calculated based on publicly available government records and are updated weekly. For official verification, check directly with CSLB at cslb.ca.gov.