It is beyond dispute that the advent of the digital epoch has ushered in a new era of design, one that has seen the graphic design services industry in the United States bloom into a dynamic and vibrant field. This report intends to chronicle the key findings and insights from a scrupulous examination of the industry, poised on the cusp of untrammeled technological innovation. It explores its evolution, evaluates its present state, and extrapolates its trajectory based on current trends and anticipated advances.

Historically, graphic design has been a discipline that blends art and technology to communicate ideas. It has always been a sort of lingua franca, a universally comprehensible language employed in the transmission of ideas and information. Over time, however, the industry has evolved from its rudimentary beginnings of drawings on cave walls to its present state, characterized by digital innovation and technological advancement.

At present, the graphic design services industry in the United States is experiencing a period of considerable growth. It’s a multi-billion-dollar industry, exhibiting growth patterns that seemingly defy the gravitational law of economics. The Bureau of Labor Statistics estimates that the employment of graphic designers will grow by 3% from 2018 to 2028, a testament to the robustness of this industry.

Let's delve into the factors contributing to this growth. The first is the proliferation of digital media. The ubiquity of smartphones, tablets, and computers means that digital media is now omnipresent. Consequently, the demand for graphic designers, who play a pivotal role in creating visually appealing and effective communication, has skyrocketed.

Secondly, the rise of social media has played a significant role in driving the industry forward. It is estimated that there are 3.5 billion social media users worldwide, and businesses are capitalizing on this by investing in high-quality graphic design to capture consumer attention.

Finally, the rapid pace of technological innovation has seen the industry adapt and evolve at an unprecedented rate. The advent of augmented and virtual reality, artificial intelligence, and machine learning has opened up new avenues for the industry to explore and capitalize on.

However, with this growth comes a set of challenges. The industry is grappling with a talent crunch. Despite the growing demand for graphic designers, there is a shortage of professionals with the requisite skills to meet it. Furthermore, the industry is facing increasing competition from freelancers and independent contractors, who often offer lower prices.

Looking to the future, the industry is expected to continue its growth trajectory. The increasing digitization of our world, coupled with the relentless pace of technological innovation, means that the demand for graphic design services is unlikely to abate anytime soon.

However, a paradigm shift might be on the horizon. As artificial intelligence and machine learning become more sophisticated, they could potentially automate certain aspects of graphic design, fundamentally altering the industry landscape. The idea of a machine being able to replicate human creativity may seem far-fetched, but as technology advances, this could become a reality.

In conclusion, the US graphic design services industry is a dynamic and evolving field, characterized by robust growth, rapid technological advancement, and inherent challenges. Its future is likely to be influenced by the continued proliferation of digital media, social media engagement, and emerging technologies such as AI and machine learning. Despite potential challenges, this industry remains a vital cog in the wheel of the broader digital economy.