Logo Refresh for Plumbing & Gas Company

I'm looking for a designer to update our existing plumbing and gas company logo. We want to keep the current color scheme but are open to layout changes.

Requirements:
- Retain our existing color scheme
- Maintain current font style
- Keep existing icon or graphic
- Layout changes to modernize, add detail, or simplify are welcome

Ideal Skills & Experience:
- Strong portfolio in logo design
- Experience with brand updates and modifications
- Excellent understanding of color theory and typography
- Ability to provide multiple design concepts

Please share your ideas and previous work in your bids.