Bold Construction Logo Design

I'm seeking a bold and strong construction logo. The main symbol should be construction tools or machinery, with an excavator or crane as the centerpiece.

Requirements:
- Modern and simple elements
- Incorporate an excavator or crane
- Use of strong, impactful colors and fonts

Ideal Skills and Experience:
- Proven logo design expertise
- Strong portfolio in construction-related logos
- Ability to create bold and modern designs

Please provide samples of previous work and a brief concept idea.