synopsis: Building on its position in energy industry recruiting, Dice Holdings, Inc., a leading provider of specialized career websites for professional communities, announced it has completed the purchase of Rigzone, a U.S. market leader in the oil and gas industry delivering content, data, advertising and career services.

synopsis: CriticalControl has acquired Visible Data Inc. and Visible One Call Inc. (collectively VDG). VDG’s business includes: A service to manage gathering system (pipeline) schematics integrated with data from regulatory databases. The sale of subscriptions of VDG’s proprietary online well production and pipeline attribute databases.

synopsis: Energy Listings LLC, the leading online multiple listing service for energy related assets, and PetroSales, a leading provider of oil & gas property negotiated sale services, announce an agreement to meld the two companies, and combine their buyer and seller acquisition and divestiture services under a new moniker known as "The E&P Global Network".

synopsis: Daily Mail and General Trust (DMGT) said Thursday that DMG Information (DMGI), the information publishing division of DMGT, has reached agreement to acquire Genscape, Inc. The initial consideration will be $130 million (GBP73 million), payable in cash, with additional payments up to a maximum of $66

synopsis: Drilling Info, Inc. announced that it has acquired HPDI, a leading software and information services company for the energy industry. HPDI provides production data and web-enabled analytical software tools for a wide range of oil and gas related customers focused primarily in the financial sector and the gas and crude oil marketing sectors.

synopsis: Thomson Reuters announced that it has agreed to acquire Point Carbon A/S, a Norwegian-based leading provider of essential trading analytics, news and content for the energy and environmental markets.

synopsis: IHS Inc., a leading global source of critical information and insight, has acquired the product portfolio of Divestco USA Inc. Divestco USA’s portfolio consists of drilling records, permits and rig activity, production data and public land survey (mapping) information.

synopsis: Barclays Capital has acquired the assets of PowerLytix, a market data analysis vendor focused on the US electricity and natural gas markets. Financial terms of the deal were not disclosed.

synopsis: Reuters announced today that it has enriched its coverage of the world's energy markets with the acquisition of EnergyBankLink the leading provider of information to the Australian Power and Gas markets. This reinforces Reuters position as the market leader in the provision of information to these markets.

synopsis: IHS Inc., a leading global provider of critical technical information, decision-support tools and strategic services, today announced the acquisition of Norwalk, CT-based John S. Herold, Inc., an independent research firm that provides in-depth analyses and key financial and operational data on more than 400 global oil and gas companies.

synopsis: IHS Inc., the leading global source of information and analytics, announced it has acquired the business of Dodson Data Systems. Dodson Data Systems is a leading provider of strategic information for companies engaged in oil and gas operations located in the offshore Gulf of Mexico and onshore United States.

synopsis: IHS Inc., the leading global source of information and analysis, announced that it has acquired ODS-Petrodata, a premier provider of data, information and market intelligence to the offshore energy industry.

synopsis: IHS Inc., a leading global source of critical information and insight, announced the acquisition of LogTech (Canada) Ltd., a leader in the development of pragmatic and cost-effective software solutions, services and digital log data for the petroleum industry, for CA$3.3 million.

synopsis: Divestco Inc. is pleased to announce it has completed the acquisition of Canamera Corporation and Canamera Equities Ltd. Both companies are private with Canamera based in Houston, Texas and Equities based in Calgary, Alberta. Collectively the two companies are known in the oil and gas industry as Drilling Records.

synopsis: PennWell Corporation, a diversified global media and information company, announced that it has acquired a 51% interest in iCommerce & Marketing L.L.C., which operates RenewableEnergyAccess.com, the world's leading online-only publication and business-to-business community for renewable energy.

synopsis: Wood Mackenzie, a U.K. specialist in research and analysis for the oil, gas and mining industry, said private equity firm Hellman & Friedman will buy the company in a recapitalization deal. Following completion of the deal, Hellman & Friedman will hold a 63% stake in Wood Mackenzie.

synopsis: Candover Investments plc announces that its wholly owned subsidiary, Candover Partners Limited, has agreed to the sale of energy market research firm Wood Mackenzie, to Charterhouse Capital Partners for an enterprise value of £553 million.

synopsis: Drilling Info, Inc. announced its acquisition of Grand Prairie, TX-based County Scans, the premier provider of deep, digitized U.S. mineral ownership data. The acquisition deepens and significantly enhances Drillinginfo's existing mineral leasing data and suite of analysis and management tools.

synopsis: UBM plc announced that it has acquired the business and assets of AMB Exhibitions Sdn Bhd and AMB Events Sdn Bhd in Malaysia, Vietnam and the Philippines, on behalf of UBM Asia. AMB’s two largest shows are AsiaWater and ASEAN M&E Expo, which together account for approximately two thirds of 2010 revenue.

synopsis: Advanstar Communications, Inc. - a leading worldwide media company - today acquired CBI Research, Inc., a provider of live and electronic conferences for senior-level executives in the pharmaceutical and biotech industries.

synopsis: Building on its position in energy industry recruiting, Dice Holdings, Inc., a leading provider of specialized career websites for professional communities, announced it has completed the purchase of Rigzone, a U.S. market leader in the oil and gas industry delivering content, data, advertising and career services.

synopsis: Dice Holdings, Inc., a leading provider of specialized career websites, and Geeknet, Inc. announced that Dice Holdings has acquired Geeknet's online media business. The online media business includes SourceForge, Slashdot, and Freecode.

synopsis: Dice Holdings Inc., a provider of specialized career-related websites, bought the assets of FINS.com, a career-resource site for financial professionals owned by Dow Jones & Co.

synopsis: Building on its position in energy industry recruiting, Dice Holdings, Inc., a leading provider of specialized career websites for professional communities, announced it has completed the purchase of Rigzone, a U.S. market leader in the oil and gas industry delivering content, data, advertising and career services.

synopsis: Dice Holdings, Inc., a leading provider of specialized career websites for professional communities, announced it has completed the purchase of the online and career events-related businesses of WorldwideWorker, a global leader in recruitment for the energy industry.

synopsis: Dice Holdings, Inc., a leading provider of specialized career websites for professional communities, announced that it has completed the purchase of substantially all of the assets of AllHealthcareJobs.com, a leading online career site dedicated to matching healthcare professionals with available career opportunities.

synopsis: Dice Holdings, Inc., the leading provider of specialized career sites and career fairs, today announced that it has completed the purchase of eFinancialGroup Limited, headquartered in the U.K. Financial terms were not disclosed.

synopsis: Dice Inc., the leading provider of online recruiting services for technology, engineering and security-cleared professionals, announced today the completion of its acquisition by two leading private equity firms, General Atlantic LLC and Quadrangle Group LLC.

synopsis: Monster, one of the largest employment websites in the world, has sold the unsettled jobs listing website ChinaHR to IrishJobs.ie. Saongroup operates an online jobs listing service in 30 countries, including China, through the IrishJobs.ie website.

synopsis: Alma Media acquired the Eastern European job portal assets of A&N Media Limited, a fully owned subsidiary of Daily Mail and General Trust Plc. The largest of the acquired assets is Profesia s.r.o., which is the dominant recruitment service provider in Slovakia and also operates challenger job portals in the Czech Republic and Hungary.

synopsis: Doostang International, one of the largest employment networks for young business professionals, announced the acquisition of Jobfox’s assets, a leading job networking site with over 9 Million members.

synopsis: Indeed announced that it will be acquired by Recruit Co. Ltd, a leading provider of integrated HR and information services based in Japan. The acquisition enables Indeed, the most visited job site in the world, to continue its rapid expansion while benefiting from Recruit’s reach and resources.

synopsis: KleanJobs.com, a leading green jobs search engine and provider of related services, announced its acquisition of the largest green job site, CleanTechRecruits. The acquisition expands KleanJobs.com reach to a broader and wider-ranging group of jobs and prospects, as well as making available its growing range of employment-related services.

synopsis: CareerBuilder, the leader in human capital solutions, continues to grow its European business with the acquisition of Top Language Jobs (TLJ), the leading global online jobsite for multi-language jobs and candidates. TLJ operates more than 40 sites in 25 countries across Europe and in the U.S.

synopsis: StepStone, a leading provider of online recruitment services and solutions, has acquired Totaljobs Group, the biggest online recruitment business in the UK. Totaljobs Group is comprised of seven job sites, which between them carry over 300,000 jobs, attracting over 3.3 million jobseekers every month.

synopsis: CareerBuilder, the global leader in human capital solutions, has entered into a definitive agreement to acquire JobScout24, a major job board in Germany with more than 3.36 million users and more than 250,000 jobs. Operating on the CareerBuilder platform, JobScout24.de will serve as another point where employers and job seekers can connect.

synopsis: Universum Development, mother company to Universum Group, the global leader in Employer Branding, announced the acquisition of Doostang, the leading global career networking platform for young professionals. Doostang is one of the largest career networking platforms for young business professionals in the world, with over 900,000 members.

synopsis: CareerBuilder continues an aggressive expansion into markets around the globe with its acquisition of JobsCentral, a leading job board in Singapore that also has a fast-growing presence in Malaysia. Every month, JobsCentral attracts 8 million page views, 15,000 new job seeker signups and processes 150,000 job applications.

synopsis: Freelancer.com, the world's largest outsourcing marketplace, has announced that it has acquired Freelancer.de, one of Germany's top freelancing marketplaces. Over 120 categories of freelance work are currently listed through Freelancer.de.

synopsis: Freelancer.com, the world's largest outsourcing marketplace which connects small business with freelancers from around the world, has announced that it has subsumed EUFreelance.com, bringing it into the Freelancer.com global platform. EUFreelance.com is a euro-denominated freelancing marketplace servicing the European Union with over 125,000 users.

synopsis: Freelancer.com, the world's largest outsourcing marketplace which connects small business with freelancers from around the world, acquired the assets of LimeExchange.com, the outsourcing marketplace run by Lime Labs LLC.

synopsis: Zapoint®, the leading provider of employee career management and organizational planning solutions, announced it has acquired Jobster® from Recruiting.com, Inc. Together, Zapoint and Jobster will provide employers and professionals alike with the industry's most advanced career management tools.

synopsis: MedCAREERS GROUP, Inc. announced that it has reached an agreement to acquire the domain name workabroad.com. Workabroad.com is currently a portal for a variety of job related postings that focuses on international opportunities for job seekers who live outside of the United States.

synopsis: Monster Worldwide, Inc. announced that it has completed its acquisition of Yahoo! HotJobs, a leading online recruitment website, from Yahoo! for $225 million in cash.

synopsis: Florida Merchant Capital Investors (FMCI) announced that it has purchased employment website WorkTree.com for an undisclosed sum. WorkTree.com is a paid membership employment search engine created in 1999 by Selin and Sanjan Varughese. The new management team is planning to change several aspects of the site's design and functionality.

synopsis: Monster Worldwide, Inc., the parent company of Monster, the leading global online careers and recruitment resource, announced that it has completed its acquisition of ChinaHR, creating a leading force in online recruitment in China and across Asia.

synopsis: Gannett and Tribune Company announced today that Gannett has acquired an additional 10 percent stake in CareerBuilder from Tribune for $135 million. The acquisition gives Gannett a 50.8 percent controlling interest in CareerBuilder, the U.S.’s largest online job site.