A-Plus Developments is a family business owned and operated by Jeff & Janet Horsman. We have been committed to providing the highest level of service and dedication to our customers since 1991. Jeff is a very knowledgeable Roofer by Trade and maintains a very high standard of conduct in dealing… A-Plus Developments is a family business owned and operated by Jeff & Janet Horsman. We have been committed to providing the highest level of service and dedication to our customers since 1991. Jeff is a very knowledgeable Roofer by Trade and maintains a very high standard of conduct in dealing with his Customers and Employees. Jeff's notable reputation in Calgary, Strathmore and surrounding areas has made him a highly recommended Roofer with Local Builders. Read more