SVS Limited, “Specialist Vehicle Services” Armstrong a subsidiary of The Patron Group was formed inspecifically to provide Technical Support, Preventative. Duncan Envision Glazes American Ceramic Supply Company. American Ceramic Supply Brimfield offers both wholesale and retail color and glazes including Duncan paint and glazes, Halifax Mayco glazes, Amaco glazes, pottery bisque Waldorf and education. Washington Natural Gas, Heating & Air Conditioning Air. Expert heating and AC service Seattle, call now for additional information and discounts on Mililani furnaces, heat pumps, water heaters and air conditioners. We are the best.