Thanks, Avie and thank you all for joining us today.
As Avie highlighted, 2021 was a major stepping stone for INNOVATE. It's clear that the strategy we put in place over a year ago is coming to fruition in our financial results.
We continued to execute that strategy in the fourth quarter, which drove consolidated revenue and adjusted EBITDA growth of 122% and 121% respectively. Once again, this quarter, we were able to extract more value from each of our three best in class assets.
Turning now to highlights for each of our operating segments. DBM Global delivered record fourth quarter revenue with increased demand in commercial, industrial services, and public sector projects as a part of the post - COVID recovery.
Our total adjusted backlog of $1.9 billion showcases our strong pipeline and visibility into future potential revenue. I would be remiss by not mentioning that Banker Steel has been a great addition to the DBM family. The integration of Banker Steel is going according to plan and we continue to benefit from their capabilities and presence in key geographic regions, helping build out our national footprint. There has been significant new project activity in our market following the COVID pandemic and this increase in demand is having a positive impact on the margins for our business as capacity begins to saturate the market. There remains optimism in the construction industry and we continue to see significant pipeline, as demonstrated in our backlog number, despite rising steel prices.
We also acknowledge various challenges in both the supply chain as well as the tightening of the labor market for our business.
However, at this point in time, we believe the risks are being well-managed by the strong team in place at DBM.
We will continue to monitor the potential impacts to our business in 2022.
Now, turning to Life Sciences, Pansend continues to make progress in the R2 and MediBeacon businesses. R2 started shipping the Glacial Spa product in China in anticipation of the upcoming launch. The impending Chinese launch of the Glacial Spa product, coupled with the momentum of the Glacial Rx product in the United States, shows the progress that R2 is making in multiple regions around the world. Due to a COVID related delay at the manufacturer of the material that will be used for the pivotal study, MediBeacon is now planning to submit an investigational device exemption application to the FDA for its U.S. pivotal study in the second quarter. This application is a 30-day review process and is the first step toward commencing the pivotal study. Once the IDE application is approved, MediBeacon can initiate its U.S. pivotal study.
We are excited about the developments on this front and remain equally as excited about the opportunity in MediBeacon's business.
We are happy with the continued momentum we see at Pansend and are optimistic about our ability to capitalize on the ongoing growth opportunities in this business. At Spectrum, we have now achieved a full-year of profitability establishing a track record of consistent performance. Adjusted EBITDA grew $8.1 million year-over-year to $6.9 million.
We continue to focus on optimizing operations, eliminating costs, and improving revenue. In the fourth quarter, specifically, growth in our Station Group OTA revenues help drive profitability. Also on the Station Group side, we renewed carriage agreements with longstanding clients, such as Sony Media's getTV and LATV, among others. We increased distribution by more than a dozen new markets for the English and Spanish versions of beIN SPORTS XTRA. Today, the English Xtra network is carried on 157 of our stations and Spanish Xtra, which launched on September 1, 2021, is now on 135 stations. beIN SPORTS XTRA and Spanish Xtra are 24/7 networks that offer the most comprehensive, free, ad-supported, live sports programming over the year. Altogether, there are more than 70 networks using our distribution platform today, sponsored by a wide range of media companies that include CBS, NBC, Scripps, Weigel, Fremantle, Curate, Cisneros Media, and beIN Sports.
As of December 31, 2021, Broadcasting operated 238 stations, 224 of which are currently connected to our central caste system. In January, we completed the construction of 21 new broadcast stations, adding 12 new designated market areas to our already extensive coverage area. Overall, we saw the benefits of INNOVATE sharpen focus across all three of our operating segments, as we finish 2021 strong and delivered record financial results for the year.
For the full-year 2021, consolidated net revenue was $1.2 billion, compared to $716.9 million in 2020. Total adjusted EBITDA for 2021 was $43.9 million, compared to $25.5 million for the prior year.
We continue to make significant progress at all three of our businesses and enter 2022 with excellent momentum. We believe that our businesses are exceptionally well-positioned to benefit from the growth catalysts that are emerging as part of the new economy. With that, I'll turn it over to Mike for a review of our financials and capital structure.