2001	Ranked 10th in the Denver Business Journal rankings of Denver-area Electrical Contractors. Ranked 23rd in the Denver Business Journal rankings of Colorado-based Private Businesses.
2000	Awarded $3.6 million UMC contract at the University of Colorado - Boulder campus. Awarded $2.5 million contract at the Silver Creek High School in Longmont. Tom Sutak appointed president of Rainbow.
1999	Became a certified TEGG representative.
1995	Moved to a new office building in Longmont, Colorado. Was the general contractor and owner of the building. This is the building in which Rainbow currently resides.
1994	Reached the $1 million milestone in sales.
1993	Won contract to work on the State of Colorado Governor's Mansion in Denver. Picture to the right shows Tom Sutak (middle) and John Laydon (left) of Rainbow showing Governor Roy Romer how the newly installed "snowmelt" heating cable will function under the wheelchair access ramp to the Governor's Mansion.
1986	Earned the University of Colorado at Boulder as a client. Worked on the electrical facilities of Water World in Denver.
1985	Work with general contractors in the local area. Became a member of Local #68. Founded by the Sutak family in a garage in Lafayette, Colorado.