For the "Total Contracting Network," a logo should convey professionalism, reliability, and a sense of community within the construction and contracting industries. Here are some logo design ideas that could effectively represent your brand:

Interlocking Blocks: Use stylized blocks or bricks that interlock, symbolizing construction and the network aspect of your community. The blocks could form the initials "TCN."
Professional Badge: Design a badge or shield that incorporates construction elements like a hard hat, blueprint, or tools. This design conveys authority and trustworthiness.
Modern Lettering: Utilize sleek, modern typography for "TCN" with a subtle element of a construction crane or building silhouette integrated into the background or lettering.
Circular Design: Create a circular logo that encompasses different construction icons (like a hammer, wrench, and helmet) arranged in a circle, representing the network and unity of the community.
Blueprint Theme: Feature blueprint aesthetics with a grid background and the outline of a building or urban skyline. This could be combined with clear, bold text for "Total Contracting Network."
Dynamic Arrows: Incorporate arrows that form a circle or a cycle, representing movement, precision, and the cyclical nature of projects and business in contracting.
Building Silhouette: Use the silhouette of a skyscraper or a series of buildings to form part of the letters in "TCN" or as a standalone icon next to the text.
Elegant Monogram: Craft a monogram of the initials "TCN" with a tool or construction element subtly included in the design, making it elegant yet relevant to the industry.
Network Grid: Integrate a network grid pattern into the background of the logo, symbolizing connectivity and the support network provided by the community.
Constructive Paths: Design paths or roads leading to a central point, symbolizing the coming together of different contractors and professionals within the network.
Each of these concepts focuses on different aspects of the "Total Contracting Network" ethos and can be further customized to align with your brand's color scheme and style preferences.