Contractors State License Board
State government agency responsible for licensing and regulating California's construction industry.

Contractors Caring For Kids
Contractors Caring for Kids is a Northern California based charity group that sponsors holiday toy drive and fundraiser for WEAVE inc., Wind Youth Services and Boys & Girls Club of America.

Contractor Manager
Contractor Manager specializes in helping contractors and tradesmen stay on top of their business by providing the back-office expertise that allows you to do what you do best. Outsourcing your bookkeeping, billing, payroll and bill pay can save you time, money and headaches. Our job lead database can provide you with countless job opportunities. CM offers flexible and affordable solutions that can help reduce overhead, save time, and help you stay on top of your cash flow. Special discounted pricing for all CSLS customers.

Contractors Survival Guide
The Contractors Survival Guide is the “how-to” book for building your business in good times and bad. It offers straight-forward strategies and steps to transform your company into a growing and thriving business. Author Jason Reid, who built his own multi-million dollar national company,  shares these strategies and his own personal experience through his Business Boot Camps offered at CSLS locations throughout California.

CREIA - California Real Estate Inspectors Association
CREIA provides education, training and support services to its members and the real estate community. CREIA's Code of Ethics and Standards of Practice are recognized by the California Business and Professions Codes and are considered the standard of care by the real estate industry and legal profession in the state.            

Dunn-Edwards Paints
Dunn-Edwards is the largest paint manufacturer in the United States that is majority-owned by it employees. Dunn-Edwards provides a complete line of premium architectural paint, painting supplies, and equipment serving the professional painter and consumer market.

Eco-hut AcademyEco-hut Academy
Eco-Hut is a collaboration of highly successful educators, business developers, renewable energy practitioners and enthusiast; with a combined wealth of experience in the field of renewable energy, clean technology, green construction and civil engineering.

EZ Estimating
EZ Estimating is a web based estimating program for the small and mid-size contractors that work with grading, paving, seal coat and stripping. This program is designed to track won / loss rate, track labor, materials and subcontractors, and creates professional bids and foreman logs. EZ Estimating provides free training and tech support, free upgrades, requires no long term contracts

High Desert Contractors Association
The High Desert Contractors' Association in an organization of local contractors and industry related companies in and around Victorville who are dedicated to promoting responsible leadership, ethical practices, quality integrity and prosperity for High Desert contractors; while protecting the public interest.

ICC - International Code Council
The International Code Council, a membership association dedicated to building safety and fire prevention, develops the codes used to construct residential and commercial buildings, including homes and schools. Most U.S. cities, counties and states that adopt codes choose the International Codes developed by the International Code Council.

IPSSA - Independent Pool & Spa Service Association, Inc
IPSSA provides commercial liability insurance, sick route coverage, education and networking opportunities to pool service technicians.

IPSSA - Independent Pool & Spa Service Association
San Fernando Valley Metro Chapter

Lowe's Home Improvement
Lowe's for Pros offers commercial services for the construction industry including online ordering, commercial credit and Accurate Estimates rebate, delivery services and an array of resources useful to running your construction business.

Sacramento Builders' Exchange
The Sacramento Builders' Exchange is a non-profit builders' association, established in 1901, that offers plan viewing tools, estimating resources and education and training classes to its members and the construction community at large.

TOSGA Global Alliance
TOSGATOSGA Global Alliance provides affordable private sector and government procurement information to small and minority businesses  that can be used for connecting with jobs in the public, commercial and residential sectors. With TOSGAs network of subscribers, they provide a comprehensive resource for industry-specific information needed to make intelligent business development decisions.