About OSI Eagle Engineering Ltd. and OSI Onsite Systems Inc. are Canadian-based companies located on Vancouver Island specializing in innovative on-site waste-water system design for both commercial and residential applications.We are dedicated to designing systems that are environmentally appropriate for the site, efficient and cost-effective. Our philosophy is that on-site systems are a respectable and in many ways environmentally superior waste-water option.We are active in transferring onsite waste-water knowledge to B.C., both through our support for industry associations and through our many industry contacts in the Pacific Northwest who are regarded as leaders in onsite waste-water technology. We founded the B.C. Onsite Sewage Association ( BCOSSA ). more... See more text