Greg has owned a sound, lighting and video company in Northern California, for the past 26 years. GJM is a Award winning company in sound and lighting designs and install. GJM designs and installs sound, lighting and video equipment for churches, touring groups, commercial, nightclubs, hotels, restaurants, schools, private homes or any place that needs professional equipment. He rents, sells and installs sound system and lighting
for churches, large and small businesses and private homes. GJM is a Award winning company in sound and lighting designs and install.
