A Anderson Building Systems Share: Builder/RemodelerCAPS- Certified Aging-In-Place SpecialistCGP- Certified Green ProfessionalICF/Concrete Home Construction A Anderson Building Systems Request Info PO Box 415 Petersburg, IL 62675-0415 217-652-1201 (217) 632-2430 (fax) Rep Info Map Whom to Contact Allan Anderson, CGP, CAPS President/CEO What's Nearby? Distance: 5 10 15 20 25 50 mi.