We are Celebrating Making Offices Shine since 1984!
Since 1984, Gemini Janitorial Services has been cleaning professional offices in the Greater Delaware Valley. In addition to commercial cleaning services, the company also offers a line of environmentally-friendly products and supplies. The company was founded by Janet Killian-Welte, current President and CEO. Janet is certified as 100% owner by the Womens’ Business Enterprise National Council.
Wilmington, DE 19804
Telephone: (302) 654-5310
FAX: (302) 654-5312
Office Hours, M-F 8:30 AM– 5:00 PM
Janet Killian-Welte, President
Michelle Segarra, Administration
Pat Forester, Marketing Coordinator
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