You might want to check this out - as an employer?
PSI Performance Systems Integration
New Jersey’s LS/LT Engine Swap Headquarters
Strategically situated halfway between the hustle and bustle of the high-density population centers of Philadelphia (78 miles) and New York City (an even 70), lies the home of
Performance Systems Integration—or PSI for short. Established in 2008, the
Brick Township, New Jersey based company has become a leader in the design and manufacture of standalone wiring harnesses for GM Gen II (the previous LT1), III, IV, and V LS- /LT-based engines and transmissions.