Full Service Electrical Service in Los Angeles Area Mac Electrical Inc. is a full service electrical contracting company serving residential and commercial customers in Los Angeles & San Bernardino area. We provide full capability electrical contracting for new construction, kitchen and bath renovations, main electrical service upgrades, underground conversions, door bell and intercom repair and installation, phone lines, smoke detectors, exterior and interior lighting, code violation repair, issue permits and get projects inspected, condo conversions, retrofits and service modifications, and, just about anything relating to wiring, line and low voltage.